program EquationSolver;

{$APPTYPE CONSOLE}

uses
  SysUtils;

type
  solver=class
    a,b,c: integer;
    procedure solve;
  end;
var
  s: solver;


{ solver }

procedure solver.solve;
var d,x1,x2:real;
begin
  if (a=0) then
  begin
    x1:=-c/b;
    writeln(x1);
    readln;
  end;
  d:=b*b-(4*a*c);
  if (d>=0) then
  begin
    x1:=(-b+sqrt(d))/(2*a);
    x2:=(-b-sqrt(d))/(2*a);
    writeln(x1);
    if (d<>0) then
      writeln(x2);
  end
  else
  begin
    writeln('No solution!');
  end;
end;

begin
  s:=solver.create;
  readln(s.a,s.b,s.c);
  s.solve;
  readln;
end.
